Mass Reopening

We are thankful for the opportunity to celebrate Mass in person again!

We have a maximum capacity of 100 people per Mass. All of our weekend Masses have now reached the maximum capacity. If you are not registered for a weekend Mass, we invite you to participate in our live-stream Masses on the weekends and attend a weekday Mass to receive the Eucharist.


We thank you for your understanding during this time and look forward to the day when we no longer have to limit the number of parishioners at Mass.

Registrations are not required for weekday Masses.

Click below to view our new weekend Mass schedule, live-stream schedule, weekday Mass schedule, and more.

St. John XXIII Catholic Community Fontana, CA.

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Parish office hours (by phone) are Monday - Friday, 9 a.m. - 4 p.m.

Fontana: (909) 822-4732

Rialto: (909) 421-7030


For emergency sick calls (only after office hours), please call (909) 441 9443.